Gunjal Industries
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Gunjal Industries
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Benzoic acid manufacturer in india
Benzoic acid is one of the most widely used aromatic carboxylic acids, found both in nature and synthesized industrially. As a vital organic compound, benzoic acid plays a key role in various industries such as food preservation, pharmaceuticals, cosmetics, plasticizers, and resins. India has emerged as a major producer and exporter of benzoic acid and its derivatives, offering high-quality products at competitive prices. In this guide, we’ll explore everything you need to know about benzoic acid — its properties, applications, safety, manufacturing process, and top Indian benzoic acid suppliers.
What is Benzoic Acid?
Benzoic acid is a simple aromatic carboxylic acid with the formula C₆H₅COOH. It consists of a benzene ring bonded to a carboxyl group. Naturally occurring in some fruits and resins, it is usually manufactured synthetically on a large scale.
Chemical Profile:
| Property | Value |
|---|---|
| Chemical Name | Benzoic Acid |
| IUPAC Name | Benzenecarboxylic acid |
| CAS Number | 65-85-0 |
| Molecular Formula | C₇H₆O₂ |
| Molecular Weight | 122.12 g/mol |
| Appearance | White crystalline solid |
| Melting Point | 122 – 123 °C |
| Boiling Point | 249 °C |
| Solubility | Slightly soluble in water; soluble in ethanol, ether, acetone |
| Odor | Slight pleasant odor |
Natural Sources of Benzoic Acid
Benzoic acid occurs naturally in:
Cranberries
Prunes
Cinnamon
Clove oil
Berries (in small amounts)
Benzoin resin (from Styrax trees)
Although it is naturally present, industrial demand necessitates synthetic production for large-scale use.
Industrial Manufacturing of Benzoic Acid
The most common method of manufacturing benzoic acid is through the oxidation of toluene in the presence of oxygen and a cobalt or manganese catalyst.
Reaction:
This method is cost-effective, scalable, and widely used across the globe.
Major Applications of Benzoic Acid
Benzoic acid is extremely versatile and is used across a wide range of industries:
1. Food & Beverage Industry
Used as a food preservative (E210).
Inhibits the growth of bacteria, yeast, and molds.
Commonly found in carbonated drinks, fruit juices, pickles, sauces, and jams.
Often used in the form of sodium benzoate, its salt form.
2. Pharmaceutical Industry
Used in ointment formulations for treating fungal skin infections.
Acts as a pH adjuster and preservative in syrups and solutions.
Part of benzoic acid and salicylic acid ointments for skin conditions.
3. Cosmetics & Personal Care
Acts as a preservative in skin creams, shampoos, deodorants, and facial cleansers.
Regulates pH and extends product shelf life.
4. Plastic Industry
Intermediate for the synthesis of plasticizers like benzoyl chloride, alkyd resins, and polyesters.
Used in caprolactam production, a key monomer for nylon.
5. Industrial Chemicals
Precursor to various organic compounds:
Phenol
Benzoyl peroxide
Benzoates
Benzimidazoles
Used in the synthesis of dyes, insect repellents, and antioxidants.
Grades of Benzoic Acid
Benzoic acid is typically available in different grades based on end-use requirements:
| Grade | Use Case |
|---|---|
| Food Grade | Beverages, processed foods |
| Pharma Grade | Ointments, tablets, oral syrups |
| Industrial Grade | Plastics, resins, coatings |
| Reagent Grade | Laboratory and research use |
Quality Specifications
| Parameter | Specification (Typical) |
|---|---|
| Purity | ≥ 99.0% |
| Moisture Content | ≤ 0.5% |
| Melting Point | 121 – 123°C |
| Heavy Metals | < 10 ppm |
| Color (Hazen) | ≤ 50 |
| Chloride/Sulfate | < 0.01% |
Manufacturers provide COA (Certificate of Analysis) and MSDS (Material Safety Data Sheet) with each shipment.
Packaging & Storage
Standard Packaging:
25 kg or 50 kg HDPE bags with liner
Fiber drums
Custom bulk packaging available
Storage Guidelines:
Store in a cool, dry, and well-ventilated area
Keep containers tightly closed to avoid moisture absorption
Avoid exposure to strong oxidizing agents